package pack0617;

public class DemoC {
    public static void main(String[] args){
        System.out.println("\"");//\"代表"
        System.out.println("aa\taa");//\t代表对齐
        System.out.println("aa\naa");//\n代表换行
        System.out.println("aa\b66");//\b代表回退
    }
}
